Question

1. My grandfather left his hometown over 55 years ago.
My grandfather　_______________________________ for ____________ 55 years.
2. My grandparents got married 50 years ago.
It's 50 years________________________________________________
3. My grandfather arrived in Nanjing last Monday. He is still in Nanjing.
My grandfather has　___________________ since last Monday.
4. My grandfather went to bed very late last night. He was too excited.
My grandfather_________________ go to bed__________ it was very late last night. He was too excited.
5. It took my grandfather two days to travel around the center of the city.
My grandfather　______________ two days______________________ the center of the city.

Answer 1

1. has been away from his hometown; more than   
2. since my grandparents got married   3. been in Nanjing   
4. didn’t; until   5. spent; traveling解析:
略